DE2525720C2 - Schmelzkontaktelektrode für einen mit Gleichstrom gespeisten Lichtbogenofen - Google Patents
Schmelzkontaktelektrode für einen mit Gleichstrom gespeisten LichtbogenofenInfo
- Publication number
- DE2525720C2 DE2525720C2 DE2525720A DE2525720A DE2525720C2 DE 2525720 C2 DE2525720 C2 DE 2525720C2 DE 2525720 A DE2525720 A DE 2525720A DE 2525720 A DE2525720 A DE 2525720A DE 2525720 C2 DE2525720 C2 DE 2525720C2
- Authority
- DE
- Germany
- Prior art keywords
- melt
- contact electrode
- blank
- blanks
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000010891 electric arc Methods 0.000 title 1
- 238000001816 cooling Methods 0.000 claims description 23
- 239000000155 melt Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 5
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 5
- 239000001095 magnesium carbonate Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 238000010411 cooking Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7408067A SE387513B (sv) | 1974-06-19 | 1974-06-19 | Smeltkontaktelektrod for likstromsmatad ljusbagsugn |
| SE7416094A SE394357B (sv) | 1974-12-19 | 1974-12-19 | Smeltkontaktelektrod for likstromsmatad ljusbagsugn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2525720A1 DE2525720A1 (de) | 1976-01-08 |
| DE2525720C2 true DE2525720C2 (de) | 1984-11-15 |
Family
ID=26656498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2525720A Expired DE2525720C2 (de) | 1974-06-19 | 1975-06-10 | Schmelzkontaktelektrode für einen mit Gleichstrom gespeisten Lichtbogenofen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3997712A (enrdf_load_stackoverflow) |
| JP (1) | JPS5114104A (enrdf_load_stackoverflow) |
| CH (1) | CH587598A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2525720C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2285044A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1501207A (enrdf_load_stackoverflow) |
| IT (1) | IT1036320B (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125737A (en) * | 1974-11-25 | 1978-11-14 | Asea Aktiebolag | Electric arc furnace hearth connection |
| SE408471B (sv) * | 1976-03-22 | 1979-06-11 | Asea Ab | Metod for torkning av badelektrod i likstromsmatad ljusbagsugn |
| SE7605217L (sv) * | 1976-05-07 | 1977-11-08 | Asea Ab | Smeltkontaktelektrod |
| FR2381987A1 (fr) * | 1977-02-23 | 1978-09-22 | Asea Ab | Connexion de sole pour un four a arc alimente en courant continu |
| JPS55131778U (enrdf_load_stackoverflow) * | 1979-03-13 | 1980-09-18 | ||
| DE3106741C2 (de) * | 1981-02-24 | 1983-06-16 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen | Kontaktelektroden-Anordnung für Lichtbogen- oder Widerstandsschmelzofen |
| FR2571202B1 (fr) * | 1984-10-01 | 1987-01-09 | Usinor | Structure d'electrode pour bain de metal en fusion |
| CH682281A5 (enrdf_load_stackoverflow) * | 1991-06-20 | 1993-08-13 | Asea Brown Boveri |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1100993A (en) * | 1912-10-28 | 1914-06-23 | Frederick T Snyder | Contact for electric furnaces. |
| CH69233A (de) * | 1914-09-29 | 1915-06-01 | Krupp Ag | Gekühlte Bodenelektrode für elektrische Schmelzöfen |
| US2958719A (en) * | 1958-09-18 | 1960-11-01 | Nat Res Corp | Production of metal |
| BE794174A (fr) * | 1972-01-18 | 1973-05-16 | British Steel Corp | Fours a arc |
-
1975
- 1975-04-24 CH CH527275A patent/CH587598A5/xx not_active IP Right Cessation
- 1975-05-14 GB GB20269/75A patent/GB1501207A/en not_active Expired
- 1975-06-10 DE DE2525720A patent/DE2525720C2/de not_active Expired
- 1975-06-17 US US05/587,714 patent/US3997712A/en not_active Expired - Lifetime
- 1975-06-17 JP JP50073641A patent/JPS5114104A/ja active Pending
- 1975-06-18 FR FR7519066A patent/FR2285044A1/fr active Granted
- 1975-06-18 IT IT68567/75A patent/IT1036320B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1036320B (it) | 1979-10-30 |
| DE2525720A1 (de) | 1976-01-08 |
| US3997712A (en) | 1976-12-14 |
| CH587598A5 (enrdf_load_stackoverflow) | 1977-05-13 |
| JPS5114104A (enrdf_load_stackoverflow) | 1976-02-04 |
| GB1501207A (en) | 1978-02-15 |
| FR2285044A1 (fr) | 1976-04-09 |
| FR2285044B1 (enrdf_load_stackoverflow) | 1981-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |